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Search: id:A156204
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| A156204 |
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The sequence contains the first primes of arithmetic progressions of six primes each with common difference 30. |
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1
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| 7, 107, 359, 541, 2221, 6673, 7457, 10103, 25643, 26861, 27337, 35051, 56149, 61553, 65557, 73523, 84317, 110819, 115733, 131581, 135151, 137447, 179321, 228587, 243553, 252163, 279421, 281717, 310711, 320119, 337367, 345487, 347167, 357079
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Subset of A155760. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 07 2009]
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MAPLE
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for n from 1 to 60000 do p := ithprime(n) ; if isprime(p+30) and isprime(p+60) and isprime(p+90) and isprime(p+120) and isprime(p+150) then printf("%d, ", p) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 07 2009]
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CROSSREFS
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Sequence in context: A141932 A002687 A166547 this_sequence A033516 A130629 A137648
Adjacent sequences: A156201 A156202 A156203 this_sequence A156205 A156206 A156207
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KEYWORD
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nonn
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AUTHOR
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Ki Punches (ki(AT)kispy.net), Feb 05 2009
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EXTENSIONS
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Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl) and Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 08 2009
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